Marine and coastal ecosystems

The study examines how molecular activity influences the composition and assembly of dissolved organic matter in lake sediments across different climates.

The paper analyzes global ocean data to show that physical and biological patchiness are decoupled, using variance slope to quantify spatial patterns.

This study identifies 79 VOCs affected by viral infection in Gephyrocapsa huxleyi, revealing a six-fold increase in VOC production during lysis and a previously unrecognized diversity of compounds.

The Pi-10 captures continuous zooplankton images in real-time, providing high-resolution data for oceanographic research and digital twin development.

This study examines the effects of wildfire ash on marine phytoplankton growth and photosynthesis, finding reduced efficiency and inhibited growth in experimental cultures.

This study shows that phytoplankton produce extracellular superoxide to acclimate to light stress, with DPI inhibiting this process and reducing photosynthetic health.

The paper links surface phytoplankton communities to carbon export using genetic tracers and ocean color data, showing diatoms and photosynthetic Hacrobia predict POC fluxes.

This paper introduces a computer vision method to estimate carbon fluxes from sinking particles using allometric relationships, reducing human annotation time by 90% and matching chemical measurements.

The paper models ecological dynamics in marine oxygen minimum zones to explain the prevalence of different denitrification modules and their implications for nitrogen loss.

This study examines how mesoscale eddies affect the metabolome of the North Pacific Subtropical Gyre by analyzing metabolite concentrations and molecular features across different eddy states.

This study analyzes trends and drivers of hypoxic thickness and volume in the Northern Gulf of Mexico from 1985-2018, finding increased mid-summer hypoxic thickness and spring nitrogen load as a major driver.

The paper examines iron acquisition and cycling in the North Pacific subtropical gyre by analyzing siderophore production and utilization across depth and time.

This paper shows a diatom produces the cobalamin lower ligand, α-ribazole, under cobalamin-deplete conditions, suggesting eukaryotic contributions to cobalamin remodeling in marine ecosystems.

This paper uses logistic regression to classify detritus particles in FlowCAM data from the Southern North Sea, achieving 81% accuracy and improving pre-processing efficiency.

The paper describes participatory science methods for monitoring water quality in the Chesapeake Bay using volunteer scientists and remote sensing to improve data collection and algorithm development.

This study investigates how zooplankton metabolic processes influence the chemical properties of dissolved organic matter (DOM) they release, revealing correlations between DOM composition and metabolic gene functions.

The paper analyzes nutrient and phytoplankton dynamics in the Eastern Mediterranean Sea over 4.5 years, showing climate change may lead to nutrient depletion and temporary mesotrophy due to reduced mixing and storm events.

This study measures pseudocobalamin and methionine synthase in Synechococcus cultures and communities, showing consistent pseudocobalamin quotas in the Northwest Atlantic Ocean.

The paper identifies fucose-rich oligosaccharides in deep ocean seawater, showing their selective preservation compared to surface ocean samples.

The paper quantifies residence times of biogenic carbon in ocean reservoirs and finds that human activities have disrupted these cycles, leading to net carbon emissions from previously sequestered pools.

The paper examines DOM variability in coastal NW Mediterranean waters, finding human influences and freshwater inputs drive DOM composition and support heterotrophic prokaryote growth.

This study combines HyperOCR sensors and non-negative matrix factorization to improve remote sensing of ocean biogeochemistry by analyzing light in the marine water column.

The paper investigates seasonal and spatial patterns of picophytoplankton abundance and community composition in the Elbe estuary using flow cytometry and metabarcoding, finding they dominate phytoplankton communities by cell counts.

The paper investigates how nitrogen and phosphorus influence dissolved organic matter (DOM) fate in two Mediterranean coastal sites, showing that abiotic factors drive microbial processing despite similar DOC concentrations.

The paper compares the contributions of ammonia and urea to nitrite production in Southern Ocean waters, finding urea-N contributes ~25% of nitrite production, comparable to temperate oceans.

This study investigates cyanate lyase function in Pelagomonas calceolata under different nutrient conditions, finding it reduces intracellular cyanate toxicity rather than metabolizing extracellular cyanate.

The paper quantifies plankton community structure globally, revealing inverted biomass pyramids dominated by gelatinous organisms and predicting future shifts in oceanic carbon cycles.

The paper identifies a new N2-fixing cyanobacterium, Candidatus Crocosphaera waterburyi, present and active in global oceans, distinct from the previously known Crocosphaera watsonii.

The paper models growth interactions in a diatom-bacterium co-culture using experimental data to create a mathematical model that explains observed dynamics.

The paper analyzes pigment and metatranscriptomic data to show synchronized diel patterns of phytoplankton light response across domains in the open ocean.